123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250 |
- /* ===========================================================
- * JFreeChart : a free chart library for the Java(tm) platform
- * ===========================================================
- *
- * (C) Copyright 2000-2013, by Object Refinery Limited and Contributors.
- *
- * Project Info: http://www.jfree.org/jfreechart/index.html
- *
- * This library is free software; you can redistribute it and/or modify it
- * under the terms of the GNU Lesser General Public License as published by
- * the Free Software Foundation; either version 2.1 of the License, or
- * (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
- * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
- * License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
- * USA.
- *
- * [Oracle and Java are registered trademarks of Oracle and/or its affiliates.
- * Other names may be trademarks of their respective owners.]
- *
- * -----------------------
- * KeyToGroupMapTests.java
- * -----------------------
- * (C) Copyright 2004-2008, by Object Refinery Limited and Contributors.
- *
- * Original Author: David Gilbert (for Object Refinery Limited);
- * Contributor(s): -;
- *
- * Changes
- * -------
- * 29-Apr-2004 : Version 1 (DG);
- *
- */
- package org.jfree.data;
- import org.jfree.chart.TestUtilities;
- import static org.junit.Assert.assertEquals;
- import static org.junit.Assert.assertFalse;
- import static org.junit.Assert.assertTrue;
- import org.junit.Test;
- /**
- * Tests for the {@link KeyToGroupMap} class.
- */
- public class KeyToGroupMapTest {
- /**
- * Tests the mapKeyToGroup() method.
- */
- @Test
- public void testMapKeyToGroup() {
- KeyToGroupMap m1 = new KeyToGroupMap("G1");
- // map a key to the default group
- m1.mapKeyToGroup("K1", "G1");
- assertEquals("G1", m1.getGroup("K1"));
- // map a key to a new group
- m1.mapKeyToGroup("K2", "G2");
- assertEquals("G2", m1.getGroup("K2"));
- // clear a mapping
- m1.mapKeyToGroup("K2", null);
- assertEquals("G1", m1.getGroup("K2")); // after clearing, reverts to
- // default group
- // check handling of null key
- boolean pass = false;
- try {
- m1.mapKeyToGroup(null, "G1");
- }
- catch (IllegalArgumentException e) {
- pass = true;
- }
- assertTrue(pass);
- }
- /**
- * Tests that the getGroupCount() method returns the correct values under
- * various circumstances.
- */
- @Test
- public void testGroupCount() {
- KeyToGroupMap m1 = new KeyToGroupMap("Default Group");
- // a new map always has 1 group (the default group)
- assertEquals(1, m1.getGroupCount());
- // if the default group is not mapped to, it should still count towards
- // the group count...
- m1.mapKeyToGroup("C1", "G1");
- assertEquals(2, m1.getGroupCount());
- // now when the default group is mapped to, it shouldn't increase the
- // group count...
- m1.mapKeyToGroup("C2", "Default Group");
- assertEquals(2, m1.getGroupCount());
- // complicate things a little...
- m1.mapKeyToGroup("C3", "Default Group");
- m1.mapKeyToGroup("C4", "G2");
- m1.mapKeyToGroup("C5", "G2");
- m1.mapKeyToGroup("C6", "Default Group");
- assertEquals(3, m1.getGroupCount());
- // now overwrite group "G2"...
- m1.mapKeyToGroup("C4", "G1");
- m1.mapKeyToGroup("C5", "G1");
- assertEquals(2, m1.getGroupCount());
- }
- /**
- * Tests that the getKeyCount() method returns the correct values under
- * various circumstances.
- */
- @Test
- public void testKeyCount() {
- KeyToGroupMap m1 = new KeyToGroupMap("Default Group");
- // a new map always has 1 group (the default group)
- assertEquals(0, m1.getKeyCount("Default Group"));
- // simple case
- m1.mapKeyToGroup("K1", "G1");
- assertEquals(1, m1.getKeyCount("G1"));
- m1.mapKeyToGroup("K1", null);
- assertEquals(0, m1.getKeyCount("G1"));
- // if there is an explicit mapping to the default group, it is counted
- m1.mapKeyToGroup("K2", "Default Group");
- assertEquals(1, m1.getKeyCount("Default Group"));
- // complicate things a little...
- m1.mapKeyToGroup("K3", "Default Group");
- m1.mapKeyToGroup("K4", "G2");
- m1.mapKeyToGroup("K5", "G2");
- m1.mapKeyToGroup("K6", "Default Group");
- assertEquals(3, m1.getKeyCount("Default Group"));
- assertEquals(2, m1.getKeyCount("G2"));
- // now overwrite group "G2"...
- m1.mapKeyToGroup("K4", "G1");
- m1.mapKeyToGroup("K5", "G1");
- assertEquals(2, m1.getKeyCount("G1"));
- assertEquals(0, m1.getKeyCount("G2"));
- }
- /**
- * Tests the getGroupIndex() method.
- */
- @Test
- public void testGetGroupIndex() {
- KeyToGroupMap m1 = new KeyToGroupMap("Default Group");
- // the default group is always at index 0
- assertEquals(0, m1.getGroupIndex("Default Group"));
- // a non-existent group should return -1
- assertEquals(-1, m1.getGroupIndex("G3"));
- // indices are assigned in the order that groups are originally mapped
- m1.mapKeyToGroup("K3", "G3");
- m1.mapKeyToGroup("K1", "G1");
- m1.mapKeyToGroup("K2", "G2");
- assertEquals(1, m1.getGroupIndex("G3"));
- assertEquals(2, m1.getGroupIndex("G1"));
- assertEquals(3, m1.getGroupIndex("G2"));
- }
- /**
- * Tests the getGroup() method.
- */
- @Test
- public void testGetGroup() {
- KeyToGroupMap m1 = new KeyToGroupMap("Default Group");
- // a key that hasn't been mapped should return the default group
- assertEquals("Default Group", m1.getGroup("K1"));
- m1.mapKeyToGroup("K1", "G1");
- assertEquals("G1", m1.getGroup("K1"));
- m1.mapKeyToGroup("K1", "G2");
- assertEquals("G2", m1.getGroup("K1"));
- m1.mapKeyToGroup("K1", null);
- assertEquals("Default Group", m1.getGroup("K1"));
- // a null argument should throw an exception
- boolean pass = false;
- try {
- Comparable g = m1.getGroup(null);
- }
- catch (IllegalArgumentException e) {
- pass = true;
- }
- assertTrue(pass);
- }
- /**
- * Confirm that the equals method can distinguish all the required fields.
- */
- @Test
- public void testEquals() {
- KeyToGroupMap m1 = new KeyToGroupMap("Default Group");
- KeyToGroupMap m2 = new KeyToGroupMap("Default Group");
- assertTrue(m1.equals(m2));
- assertTrue(m2.equals(m1));
- m1.mapKeyToGroup("K1", "G1");
- assertFalse(m1.equals(m2));
- m2.mapKeyToGroup("K1", "G1");
- assertTrue(m1.equals(m2));
- }
- /**
- * Confirm that cloning works.
- */
- @Test
- public void testCloning() throws CloneNotSupportedException {
- KeyToGroupMap m1 = new KeyToGroupMap("Test");
- m1.mapKeyToGroup("K1", "G1");
- KeyToGroupMap m2 = (KeyToGroupMap) m1.clone();
- assertTrue(m1 != m2);
- assertTrue(m1.getClass() == m2.getClass());
- assertTrue(m1.equals(m2));
- // a small check for independence
- m1.mapKeyToGroup("K1", "G2");
- assertFalse(m1.equals(m2));
- m2.mapKeyToGroup("K1", "G2");
- assertTrue(m1.equals(m2));
- }
- /**
- * Serialize an instance, restore it, and check for equality.
- */
- @Test
- public void testSerialization() {
- KeyToGroupMap m1 = new KeyToGroupMap("Test");
- KeyToGroupMap m2 = (KeyToGroupMap) TestUtilities.serialised(m1);
- assertEquals(m1, m2);
- }
- }
|